Glacier National Park - West Tunnel (Accessible Version)

The video tutorial explores the historical and engineering aspects of a tunnel constructed in 1926. It highlights the challenges faced during construction, including harsh winter conditions, and the use of dynamite and jackhammers. The tunnel features observation windows offering stunning views, and safety measures are discussed due to reduced visibility and maintenance issues. The installation of a smooth interlining has helped stabilize the tunnel and protect vehicles.

What issues did the unlined tunnel face over time?

What was installed to prevent damage to passing cars in the tunnel?